L Clark Johnson
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Explore the profile of L Clark Johnson including associated specialties, affiliations and a list of published articles.
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30
Citations
836
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Recent Articles
1.
Beaton R, Johnson L, Maida C, Houston J, Pfefferbaum B
Traumatology (Tallahass Fla)
. 2012 Dec;
18(4):86-91.
PMID: 23264756
This case study describes the process and outcomes of the Northwest Center for Public Health Practice Child and Family Disaster Research Training (UWDRT) Program housed at the University of Washington,...
2.
Guralnick M, Connor R, Johnson L
J Appl Res Intellect Disabil
. 2011 Jul;
24(4):310-321.
PMID: 21765644
BACKGROUND: The nature and characteristics of the peer social networks of young children with Down syndrome in classroom settings were examined within a developmental framework. METHOD: Comparisons were made with...
3.
Guralnick M, Connor R, Johnson L
Am J Intellect Dev Disabil
. 2011 Feb;
116(1):48-64.
PMID: 21291310
The peer-related social competence of children with Down syndrome was examined in an observational study. Dyadic interactions with peers of children with Down syndrome were compared with the dyadic interactions...
4.
Kleinhans N, Richards T, Johnson L, Weaver K, Greenson J, Dawson G, et al.
Neuroimage
. 2010 Jul;
54(1):697-704.
PMID: 20656041
Recent evidence suggests that a rapid, automatic face detection system is supported by subcortical structures including the amygdala, pulvinar, and superior colliculus. Early-emerging abnormalities in these structures may be related...
5.
Kleinhans N, Richards T, Weaver K, Johnson L, Greenson J, Dawson G, et al.
Neuropsychologia
. 2010 Jul;
48(12):3665-70.
PMID: 20655320
Difficulty interpreting facial expressions has been reported in autism spectrum disorders (ASD) and is thought to be associated with amygdala abnormalities. To further explore the neural basis of abnormal emotional...
6.
Guralnick M, Connor R, Johnson L
Am J Intellect Dev Disabil
. 2009 Nov;
114(5):340-55.
PMID: 19928016
Numerous dimensions of the peer social networks of children with Down syndrome were examined within a developmental framework. Results revealed that for many key measures, particularly involvement in play, linkages...
7.
Corrigan N, Richards T, Webb S, Murias M, Merkle K, Kleinhans N, et al.
Brain Topogr
. 2009 Mar;
22(2):83-96.
PMID: 19322649
Brain activity patterns during face processing have been extensively explored with functional magnetic resonance imaging (fMRI) and event-related potentials (ERPs). ERP source localization adds a spatial dimension to the ERP...
8.
Kleinhans N, Johnson L, Richards T, Mahurin R, Greenson J, Dawson G, et al.
Am J Psychiatry
. 2009 Feb;
166(4):467-75.
PMID: 19223437
Objective: Amygdala dysfunction has been proposed as a critical component in social impairment in autism spectrum disorders. This study was designed to investigate whether abnormal habituation characterizes amygdala dysfunction in...
9.
Gatzke-Kopp L, Beauchaine T, Shannon K, Chipman J, Fleming A, Crowell S, et al.
J Abnorm Psychol
. 2009 Feb;
118(1):203-13.
PMID: 19222326
Opposing theories of striatal hyper- and hypodopaminergic functioning have been suggested in the pathophysiology of externalizing behavior disorders. To test these competing theories, the authors used functional MRI to evaluate...
10.
Kleinhans N, Richards T, Sterling L, Stegbauer K, Mahurin R, Johnson L, et al.
Brain
. 2008 Feb;
131(Pt 4):1000-12.
PMID: 18234695
Abnormalities in the interactions between functionally linked brain regions have been suggested to be associated with the clinical impairments observed in autism spectrum disorders (ASD). We investigated functional connectivity within...